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Submission #677977

# Submission time Handle Problem Language Result Execution time Memory
677977 2023-01-04T20:37:26 Z Ahmed57 Bank (IZhO14_bank) C++14
0 / 100
 38 ms 82912 KB 
#include <bits/stdc++.h>

using namespace std;
vector<int> v[20001];
int n,m;int ob[20],su[20];
int dp[20][(1<<20)];
int solve(int i,int mask){
    if(i==n){
        return 1;
    }
    if(dp[i][mask]!=-1)return dp[i][mask];
    int ans = 0;
    for(auto j:v[ob[i]]){
        if(j&mask==0){
            ans|=solve(i+1,mask|j);
            if(ans==1)break;
        }
    }
    return dp[i][mask] = ans;
}
int main(){
    //ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    cin>>n>>m;
    for(int i = 0;i<n;i++)cin>>ob[i];
    for(int i = 0;i<m;i++)cin>>su[i];
    for(int mask = 1;mask<(1<<m);mask++){
        long long sum = 0;
        for(int j = 0;j<m;j++){
            if(mask&(1<<j))sum+=su[j];
        }
        v[sum].push_back(mask);
    }
    memset(dp,-1,sizeof dp);
    cout<<(solve(0,0)?"YES\n":"NO\n");
}

Compilation message

bank.cpp: In function 'int solve(int, int)':
bank.cpp:14:18: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
   14 |         if(j&mask==0){
      |              ~~~~^~~

Subtask #1
0 / 19.0

# Verdict Execution time Memory Grader output
1 Incorrect 38 ms 82772 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 31 ms 82820 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 32 ms 82912 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Incorrect 38 ms 82772 KB Output isn't correct
2 Halted 0 ms 0 KB -